﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class Program1
    {
        static void Main(string[] args)
        {
            Circle c = new Circle();
            c.GetArea();
            Square s = new Square();
            s.GetArea();
        }
       
    }
}
